Born Yesterday is a 1950 film based on the play of the same name by Garson Kanin and directed by George Cukor. The screenplay was written by Albert Mannheimer with uncredited contributions from Kanin.
A corrupt tycoon brings his showgirl mistress with him to Washington when he tries to buy a Congressman. He hires a journalist to educate his girlfriend, and in the process, she learns just how corrupt her boyfriend is.
Uncouth tycoon Harry Brock (Broderick Crawford) goes to Washington, D.C. with his brassy mistress, Emma 'Billie' Dawn (Judy Holliday), and his crooked lawyer, Jim Devery (Howard St. John), to "influence" a politician or two. The lawyer also presses Harry to marry Billie on the grounds that a wife cannot testify against her husband.
Harry becomes disgusted with Billie's ignorance and lack of manners (though he himself is much worse) and hires a tutor for her, journalist Paul Verrall (William Holden). Blossoming under Paul's encouragement, Billie turns out to be much...